Cookwith - Cheesy Potato Skin Bake with Mashed Potato and Potato Chunk Filling

Ingredients

• 4 large russet potatoes (for skins)
• 4 cups mashed potatoes (prepared with butter and milk)
• 3 cups potato chunks (boiled and slightly firm)
• 1/2 cup mozzarella cheese, shredded
• 1/2 cup provolone cheese, shredded
• 2 tablespoons grated Parmesan cheese
• 1 tablespoon olive oil
• 1/2 teaspoon garlic powder
• 1/2 teaspoon dried parsley
• 1/4 teaspoon freshly ground black pepper